QSFT1053B - 100Amp Panel Switch

QSFT1053B - 100Amp Panel Switch

The Zinsco QSFT1053B is a 100-amp, 600-volt, 3-phase panelboard switch designed for use in Zinsco panels. It’s a fusible unit that works with both RK1 and RK5 fuses, offering dependable protection in commercial and industrial systems. This is a bolt-in type switch, which makes installation easier when you’re replacing or upgrading existing components.

Key Features and Benefits

• Twin-fusible design: Provides overcurrent protection.
• Compatible with Class RK1 and RK5 fuses: Ensures flexibility in fuse selection for varied applications.
• Bolt-in style: For direct fit in Zinsco panelboards.
• Reliable option: For upgrades, repairs, or replacements.
  

Technical Specifications

• Amperage: 100A
  
• Voltage: 600V AC
  
• Phase: 3-phase
  
• Interrupting Rating: 200kAIC
  
• Poles: 3
  
• Dimensions:
  • Width: 26.5 inches
  • Height: 7.0 inches
  • Depth: 6.5 inches

Material and Safety

• Build Quality: This switch is built from quality materials suited for long-term use.
• Certifications: While there’s no certification list attached here, Zinsco parts are generally known for meeting industry expectations in commercial power systems.
  

Where It Works Best

• Good fit for commercial buildings, shops, light industrial workspaces—anywhere you’re managing a high-load system and need to replace an old Zinsco switch with something that just works.